445 
the protoplasm is very granular, owing to its coarse, close meshed, 
irregularly disposed protoplasmic network in the meshes of which small 
deeply staining granules of various sizes are often seen. The spherical 
nucleus contains a moderate amount of chromatic material and pre- 
sents one or more well-marked rounded nucleoli. 
In some cases at one side of the nucleus there exists a cup-like 
body containing a distinct centrally placed corpuscle; this structure 
may be a centrosome; but in most cells in close proximity to the 
nucleus a typical pair of centrosomes are visible surrounded by a pale 
area, the archoplasm. 
Granules similar to those in the cells may be seen mingled with 
the red blood corpuscles in the venous sinuses, either separated or 
run together into little irregular clusters, they are undoubtedly derived 
from the cells and in some cases indeed may be actually seen in 
process of passing through the cell wall towards the sinuses. The 
small lymph channels which are present here may also contain similar 
granules, no doubt derived from the same source. These granules 
closely resemble both in appearance and in staining reactions the well 
known zymogen granules present in the cells of the pancreas and of 
some other glands, and I think it very probable that they may be 
granules of some kind of ferment produced by the cells of the medulla 
of the suprarenal which are secreted into the blood vessels and 
possibly into the lymph vessels also, there to act upon and render 
innocuous certain poisonous products of metabolism which we have 
every reason to believe exist in the circulating blood. 
April 4th 1893. 
Anatomische Gesellschaft. 
Tagesordnung fiir die 7. Versammlung in Göttingen 
vom 21.—24. Mai 1893. 
Sonntag, 21. Mai, von 10 Uhr Vm. ab: 
Sitzung der Nomenclatur-Commission. 
Abends 7'/, Uhr: Vorstandssitzung. 
Abends 8 Uhr: Begrüßung im Stadtpark. 
